The World's Biggest Sit In - Record attempt

The World's Biggest Sit In (WBSI) is a world record attempt for the largest chair based exercise class ever held.

WBSI is a call to action - to rethink physical activity, get moving, raise awareness about the importance of good musculoskeletal health, and raise much-needed funds to support people living with musculoskeletal disease.

WBSI is suitable for people of all ages and abilities. It is free to participate, and fundraising is encouraged. Register to join in the action in person or online.